1144590449 has 8 divisors (see below), whose sum is σ = 1186515648. Its totient is φ = 1103243760.

The previous prime is 1144590443. The next prime is 1144590493. The reversal of 1144590449 is 9440954411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144590449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1144590443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140597 + ... + 148514.

It is an arithmetic number, because the mean of its divisors is an integer number (148314456).

Almost surely, 2^1144590449 is an apocalyptic number.

It is an amenable number.

1144590449 is a deficient number, since it is larger than the sum of its proper divisors (41925199).

1144590449 is a wasteful number, since it uses less digits than its factorization.

1144590449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289255.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1144590449 is about 33831.7964199361. The cubic root of 1144590449 is about 1046.0442082519.

The spelling of 1144590449 in words is "one billion, one hundred forty-four million, five hundred ninety thousand, four hundred forty-nine".